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163 lines
4.1 KiB
ReStructuredText
163 lines
4.1 KiB
ReStructuredText
.. _ssh:
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=========
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Using SSH
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=========
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.. contents::
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:depth: 2
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:local:
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Creating an SSH Key (Linux/Mac)
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-------------------------------
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#. Open a terminal and enter the following command:
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.. code-block:: bash
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ssh-keygen -t ed25519
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You will be asked to ``Enter a file in which to save the key`` - we recommend you press ``Enter`` to use the default location
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#. Create a strong passphrase and save it somewhere safe, or press ``Enter`` for no passphrase
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#. It will inform you that your public key has been saved. Take note of this path:
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.. code-block:: bash
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Your public key has been saved in /home/user/.ssh/id_ed25519.pub
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#. Next, start your system's ``ssh-agent`` and add your key to it:
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.. code-block:: bash
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eval "$(ssh-agent -s)"
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ssh-add ~/.ssh/id_ed25519
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Note that if you changed the file name/location in step 1, you will need to use that file/path in this step
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Registering an SSH Key
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----------------------
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#. In your Embassy's web interface, navigate to *System > SSH*.
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#. Click "Add New Key".
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#. Back in the terminal of your workstation, display and copy your SSH *public* key (created above):
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On Mac simply copy your key to clipboard by typing the following into a terminal:
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.. code-block:: bash
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pbcopy < ~/.ssh/id_ed25519.pub
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On Linux:
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.. code-block:: bash
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cat ~/.ssh/id_ed25519.pub
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Copy the whole resulting line that looks similar to:
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.. code-block:: bash
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ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINH3tqX71XsPlzYhhoo9CqAP2Yx7gsGTh43bQXr1zqoq user@ema.il
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#. Paste that line into the `Add New Key` text field of your Embassy
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.. figure:: /_static/images/walkthrough/ssh_key_add.jpg
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#. Click **Submit**
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You are now ready to SSH into your Embassy!
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.. _connecting-via-ssh:
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Connecting via CLI (Linux/Mac)
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------------------------------
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#. You can now access your Embassy from the command line (Linux and Mac) using:
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.. code-block:: bash
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ssh start9@<LAN URL>
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Replacing ``<LAN URL>`` with your Embassy's LAN (``embassy-xxxxxxx.local``) address
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Connecting via PuTTY on Windows
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-------------------------------
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Community member `BrewsBitcoin <https://brewsbitcoin.com>`_ has created `a guide for connecting via SSH using PuTTY on Windows. <https://medium.com/@brewsbitcoin/ssh-to-start9-embassy-from-windows-4a4e17891b5a>`_
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Using SSH Over Tor
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------------------
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.. note:: The following guide requires that you have already added an :ref:`SSH key to your Embassy<ssh>`.
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.. caution:: SSH over Tor is only supported on Linux, though it may also work on Windows with `Torifier <https://torifier.com/>`_.
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Setup
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.....
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#. First, you'll need one dependency, ``torsocks``, which will allow you to use SSH over Tor on the machine that you want access with. Select your Linux flavor to install:
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.. tabs::
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.. group-tab:: Debian / Ubuntu
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.. code-block:: bash
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sudo apt install torsocks
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.. group-tab:: Arch / Garuda / Manjaro
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.. code-block:: bash
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sudo pacman -S torsocks
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#. SSH in:
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.. warning:: The changes you make here are on the overlay and won't persist after a restart of your Embassy.
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.. code-block:: bash
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ssh start9@embassy-xxxxxxx.local
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#. Elevate yourself to root for the rest of the ssh session:
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.. code-block:: bash
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sudo -i
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#. Using Vim or Nano, add the following 2 lines to ``/etc/tor/torrc``
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.. code-block:: bash
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HiddenServiceDir /var/lib/tor/ssh
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HiddenServicePort 22 127.0.0.1:22
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.. tip:: You can also add these lines by running the following command:
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.. code-block:: bash
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echo "HiddenServiceDir /var/lib/tor/ssh" >> /etc/tor/torrc && echo "HiddenServicePort 22 127.0.0.1:22" >> /etc/tor/torrc
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#. Reload the Tor configuration with your edits:
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.. code-block:: bash
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systemctl reload tor
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#. Gather the ".onion" address you just created:
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.. code-block:: bash
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cat /var/lib/tor/ssh/hostname
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Access
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======
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To log in, simply use the following command, using the ".onion" hostname you printed above:
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.. code-block::
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torsocks ssh start9@xxxxxxxxxxxxxxxxx.onion
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